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Taxonomy
Family: Subfamily:
MYTILIDAE: MUSCULINAE
Full Classification:
Mollusca (Phylum)
> Bivalvia (Class)
> Pteriomorphia (Subclass)
> Mytilida (Order)
> Mytiloidea (Superfamily)
> Mytilidae (Family)
> Musculinae (Subfamily)
> Musculus (Genus)
> impactus (Species)
Genus Synonyms:
=Modiolarca Gray, 1842
=Mytilus (Modiolarca) Gray, 1842
Synonymised Names:
=Modiola discors Lamarck, 1819
=Modiolarca impacta (Hermann, 1782)
=Musculus (Modiolarca) impacta (Hermann, 1782)
=Musculus inflatus Thiele, 1930
=Musculus novaezeelandiae Röding, 1798
=Mytilus discors Fabricius, 1788
=Mytilus impactus Hermann, 1782
=Mytilus ziczac Anton, 1838
Images: Musculus impactus (Hermann, 1782)
In clumps under rocks below low tide, Tutukaka Harbour, Northland, NZ. 22mm
In clumps under rocks below low tide, Tutukaka Harbour, Northland, NZ. 22mm
Taxonomy
Family: Subfamily:
MYTILIDAE: MUSCULINAE
Full Classification:
Mollusca (Phylum)
> Bivalvia (Class)
> Pteriomorphia (Subclass)
> Mytilida (Order)
> Mytiloidea (Superfamily)
> Mytilidae (Family)
> Musculinae (Subfamily)
> Musculus (Genus)
> impactus (Species)
Genus Synonyms:
=Modiolarca Gray, 1842
=Mytilus (Modiolarca) Gray, 1842
Synonymised Names:
=Modiola discors Lamarck, 1819
=Modiolarca impacta (Hermann, 1782)
=Musculus (Modiolarca) impacta (Hermann, 1782)
=Musculus inflatus Thiele, 1930
=Musculus novaezeelandiae Röding, 1798
=Mytilus discors Fabricius, 1788
=Mytilus impactus Hermann, 1782
=Mytilus ziczac Anton, 1838
Details: Musculus impactus (Hermann, 1782)
Size/Grows to:
Length 47mm, Width 28mm
Distribution:
North, South, Stewart and Chatham Islands. In clumps under rocks below low tide
Geographical Range:
ACFM
Notes:
Nesting Mussel, Marine
Distribution Map
 
References and Publications
  • Morley, M.S. Jul/2005 Privileged viewing of the nesting mussel, Modiolarca impacta, Poirieria, 31 (p.20)
  • Powell, A.W.B. 1979 New Zealand Mollusca: Marine, Land and Freshwater Shells, Collins, Auckland (p.374)
  • Hermann, J. 1782 Ueber einige Conchylien, Der Naturforscher, 17 (p.152) Original Description

Key to Geographical Ranges
NZ Map showing Geographical Ranges
The symbols K.A.C.F.M.An. are used to indicate the geographical range of the species. They have been adopted to give an approximation of the range of each species within New Zealand.
K=
Kermadec Islands
A=
Aupourian - Kaipara Harbour, north around North Cape, encompassing the Three Kings Islands and south to East Cape
C=
Cookian - Lower North Island and the northern part of the South Island
F=
Forsterian - Otago, Fiordland and Stewart Island
M=
Moriorian - Chatham Islands, Pitt Island
An=
Antipodean - Subantarctic Islands of New Zealand
Fw =
Freshwater
L =
Land
N =
North Island
S =
South Island
R =
Recent
Sf =
Subfossil
Fo =
Fossil
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